What is the area of the sandbox cover

Dakota earned $7.50 in interest in account a and $18.75 in interest in account b after 15 months. if the simple interest rate is 4% for account a and 5% for account b, which account has the greater principal? explain. to make it a little easier, there is an image. good luck!

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

15/16 as a decimal rounded to the nearest hundredth